BK

Bharani Kumar Yerraballi

Available to hire

js, and Angular to deliver robust backend services and intuitive front-end experiences.

About

As a Java Full Stack Developer, I design and build scalable web applications using Java, Spring Boot, React.js, and Angular to deliver robust backend services and intuitive front-end experiences. I excel at delivering microservices architectures, RESTful APIs, and automated deployments with Docker, Kubernetes, and CI/CD on AWS, while optimizing data models with PostgreSQL and DynamoDB. I thrive in Agile teams and enjoy collaborating with cross-functional partners to ship high-quality software.

  • 5 years' experience
  • Joined November 2025

Industry experience

  • Healthcare
  • Software & Internet
  • Professional Services
  • Financial Services
  • Other

Work experience· 5 roles

Java Full Stack Developer · OptumDec 2024 – Nov 2025 · 1 yr

Designed and enhanced scalable Spring Boot microservices for critical healthcare workflows, increasing transaction throughput by 38% and securely processing 60,000+ daily patient records across multiple regions. Developed Angular front-end modules with reactive forms and advanced state management, reducing UI response time by 30% and improving clinician, pharmacy, and patient usability. Integrated RESTful APIs and third-party healthcare partner systems to streamline interoperability across insurance, claims, and pharmacy networks, reducing manual data transfers by ~45%. Implemented HIPAA-compliant authentication, encryption, and audit logging to ensure 100% compliance during audits. Led Agile sprints across cross-functional teams and automated deployments via Jenkins, Docker, and Kubernetes on AWS, cutting production rollout downtime by 35% and stabilizing service availability.

Java Full Stack Developer · Hexaware TechnologiesJul 2023 – Jul 2023 · 1 mo

Refactored monolithic enterprise applications into Spring Boot-based microservices, reducing maintenance overhead by 28% and enabling horizontal scalability across global financial service platforms. Architected cloud-native data ingestion and processing pipelines using AWS Lambda, SQS, and DynamoDB, enhancing throughput by 42% and ensuring stable high-volume data operations. Engineered responsive front-ends with React.js and Angular, driving a 20% increase in end-user engagement. Developed and maintained CI/CD pipelines with Jenkins and Git integrations, automating builds and deployments, reducing failure rates by 40% and shortening release cycles to one week. Collaborated with cross-functional global teams following Agile practices to deliver enterprise-grade applications, achieving 99% sprint goals and strong stakeholder satisfaction. Optimized PostgreSQL queries, schemas, and indexing, improving query response times by 45% with workloads over two million daily transactions.

Java Full Stack Developer · Hexaware TechnologiesAug 2021 – Jul 2023 · 2 yrs

Refactored monolithic enterprise applications into Spring Boot-based microservices, reducing maintenance overhead by 28% and enabling horizontal scalability across global financial platforms. Architected cloud-native data ingestion and processing pipelines using AWS Lambda, SQS, and DynamoDB, increasing throughput by 42% and ensuring stable high-volume data operations. Implemented CI/CD pipelines with Jenkins and Git, driving faster releases and improved reliability. Optimized PostgreSQL queries and schemas to improve response times by 45%.

Front-End Developer · Adons SoftechJul 2021 – Jul 2021 · 1 mo
Front-End Developer · Adons SoftechMay 2019 – Jul 2021 · 2 yrs 3 mos

Education

Masters in Computer Science and Information Systems · Saint Leo University2030 – 2025
Master's in Computer Science and Information Systems · Saint Leo University2030 – 2025
Masters in Computer Science and Information Systems · Saint Leo University, Tampa, FL, USA2030 – 2026
Master's in Computer Science and Information Systems · Saint Leo University2030 – 2026

Certifications and awards· 8

Java Certified Foundations Associate2030 – 2025
AWS Certified Solutions Architect2030 – 2025
Java Certified Foundations Associate2030 – 2025
AWS Certified Solutions Architect2030 – 2025

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